Question

How is the small intestine designed to absorb digested food ?​

Answer 1

The small intestine is designed to provide maximum area for absorption of digested food and its transfer into the blood for its circulation into the body. For this the inner lining of the small intestine has numerous finger-like projections called villi. The villi are richly supplied with blood vessels which take the absorbed food to each and every cell of the body.

Answer 2

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• The mucosa of the small intestine is lined by simple columnar epithelium which has absorptive cells embedded in it. The absorptive cells or enterocytes help in absorption for nutrients and minerals from food in the small intestine.